Fix capitalization in TOC entry.

Author: MahmoudGSaleh

docs/windows/toc.yml

@@ -147,7 +147,7 @@ items:
           href: ../windows/redistributing-an-atl-application.md
         - name: Latest Supported Visual C++ Redistributable Downloads
           href: ../windows/latest-supported-vc-redist.md
-        - name: How To Audit Visual C++ Runtime Version Usage
+        - name: How to audit Visual C++ Runtime version usage
           href: ../windows/redist-version-auditing.md
     - name: Deployment examples
       expanded: false